Dynamics of beam halo in mismatched beams

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High-power proton linacs for nuclear materials transmutation and production, and new accelerator-driven neutron spallation sources must be designed to control beam-halo formation, which leads to beam loss. The study of particle-core models is leading to a better understanding of the causes and characteristics of beam halo produced by space-charge forces in rms mismatched beams. Detailed studies of the models have resulted in predictions of the dependence of the maximum amplitude of halo particles on a mismatch parameter and on the space-charge tune-depression ratio. Scaling formulas have been derived which will provide guidance for choosing the aperture radius to contain the ... continued below

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5 p.

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Wangler, T.P.; Garnett, R.W.; Gray, E.R.; Ryne, R.D. & Wang, T.S. September 1, 1996.

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Description

High-power proton linacs for nuclear materials transmutation and production, and new accelerator-driven neutron spallation sources must be designed to control beam-halo formation, which leads to beam loss. The study of particle-core models is leading to a better understanding of the causes and characteristics of beam halo produced by space-charge forces in rms mismatched beams. Detailed studies of the models have resulted in predictions of the dependence of the maximum amplitude of halo particles on a mismatch parameter and on the space-charge tune-depression ratio. Scaling formulas have been derived which will provide guidance for choosing the aperture radius to contain the halo without loss.

Physical Description

5 p.

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INIS; OSTI as DE96014825

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  • 18. international linac conference, Geneva (Switzerland), 26-30 Aug 1996

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  • Other: DE96014825
  • Report No.: LA-UR--96-2842
  • Report No.: CONF-9608123--10
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 377619
  • Archival Resource Key: ark:/67531/metadc685867

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  • September 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Feb. 29, 2016, 8:56 p.m.

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Wangler, T.P.; Garnett, R.W.; Gray, E.R.; Ryne, R.D. & Wang, T.S. Dynamics of beam halo in mismatched beams, article, September 1, 1996; New Mexico. (digital.library.unt.edu/ark:/67531/metadc685867/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.